Initial error handling code

include/core/SkBitmap.h

 
 /*
  * Copyright 2006 The Android Open Source Project
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 
 #ifndef SkBitmap_DEFINED
@@ skipping 34 matching lines @@
          *  1-bit per pixel, (0 is transparent, 1 is opaque)
          *  Valid as a destination (target of a canvas), but not valid as a src.
          *  i.e. you can draw into a 1-bit bitmap, but you cannot draw from one.
          */
         kA1_Config,
         kA8_Config,         //!< 8-bits per pixel, with only alpha specified (0 is transparent, 0xFF is opaque)
         kIndex8_Config,     //!< 8-bits per pixel, using SkColorTable to specify the colors
         kRGB_565_Config,    //!< 16-bits per pixel, (see SkColorPriv.h for packing)
         kARGB_4444_Config,  //!< 16-bits per pixel, (see SkColorPriv.h for packing)
         kARGB_8888_Config,  //!< 32-bits per pixel, (see SkColorPriv.h for packing)
+        kLastConfig = kARGB_8888_Config,
     };
 
     // do not add this to the Config enum, otherwise the compiler will let us
     // pass this as a valid parameter for Config.
     enum {
         kConfigCount = kARGB_8888_Config + 1
     };
 
     /**
      *  Default construct creates a bitmap with zero width and height, and no pixels.
@@ skipping 746 matching lines @@
 
 // returns the address of the byte that contains the x coordinate
 inline uint8_t* SkBitmap::getAddr1(int x, int y) const {
     SkASSERT(fPixels);
     SkASSERT(fConfig == kA1_Config);
     SkASSERT((unsigned)x < fWidth && (unsigned)y < fHeight);
     return (uint8_t*)fPixels + y * fRowBytes + (x >> 3);
 }
 
 #endif